From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Wed, 12 Sep 2012 20:04:17 +0000 (+0000)
Subject: Delete dead code.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=01b50ca5b397128d43167d617ba849d4a83282f1;p=oota-llvm.git

Delete dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163735 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 5aeb1a8c31c..d7b8f44e07b 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -276,11 +276,6 @@ namespace llvm {
     void MergeValueInAsValue(const LiveInterval &RHS,
                              const VNInfo *RHSValNo, VNInfo *LHSValNo);
 
-    /// Copy - Copy the specified live interval. This copies all the fields
-    /// except for the register of the interval.
-    void Copy(const LiveInterval &RHS, MachineRegisterInfo *MRI,
-              VNInfo::Allocator &VNInfoAllocator);
-
     bool empty() const { return ranges.empty(); }
 
     /// beginIndex - Return the lowest numbered slot covered by interval.
@@ -313,12 +308,6 @@ namespace llvm {
       return r != end() && r->end == index;
     }
 
-    /// killedInRange - Return true if the interval has kills in [Start,End).
-    /// Note that the kill point is considered the end of a live range, so it is
-    /// not contained in the live range. If a live range ends at End, it won't
-    /// be counted as a kill by this method.
-    bool killedInRange(SlotIndex Start, SlotIndex End) const;
-
     /// getLiveRangeContaining - Return the live range that contains the
     /// specified index, or null if there is none.
     const LiveRange *getLiveRangeContaining(SlotIndex Idx) const {
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index a0902be1fcd..f4ebcd6fa45 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -69,21 +69,6 @@ VNInfo *LiveInterval::createDeadDef(SlotIndex Def,
   return VNI;
 }
 
-/// killedInRange - Return true if the interval has kills in [Start,End).
-bool LiveInterval::killedInRange(SlotIndex Start, SlotIndex End) const {
-  Ranges::const_iterator r =
-    std::lower_bound(ranges.begin(), ranges.end(), End);
-
-  // Now r points to the first interval with start >= End, or ranges.end().
-  if (r == ranges.begin())
-    return false;
-
-  --r;
-  // Now r points to the last interval with end <= End.
-  // r->end is the kill point.
-  return r->end >= Start && r->end < End;
-}
-
 // overlaps - Return true if the intersection of the two live intervals is
 // not empty.
 //
@@ -716,27 +701,6 @@ VNInfo* LiveInterval::MergeValueNumberInto(VNInfo *V1, VNInfo *V2) {
   return V2;
 }
 
-void LiveInterval::Copy(const LiveInterval &RHS,
-                        MachineRegisterInfo *MRI,
-                        VNInfo::Allocator &VNInfoAllocator) {
-  ranges.clear();
-  valnos.clear();
-  std::pair<unsigned, unsigned> Hint = MRI->getRegAllocationHint(RHS.reg);
-  MRI->setRegAllocationHint(reg, Hint.first, Hint.second);
-
-  weight = RHS.weight;
-  for (unsigned i = 0, e = RHS.getNumValNums(); i != e; ++i) {
-    const VNInfo *VNI = RHS.getValNumInfo(i);
-    createValueCopy(VNI, VNInfoAllocator);
-  }
-  for (unsigned i = 0, e = RHS.ranges.size(); i != e; ++i) {
-    const LiveRange &LR = RHS.ranges[i];
-    addRange(LiveRange(LR.start, LR.end, getValNumInfo(LR.valno->id)));
-  }
-
-  verify();
-}
-
 unsigned LiveInterval::getSize() const {
   unsigned Sum = 0;
   for (const_iterator I = begin(), E = end(); I != E; ++I)